From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61DC4C6FD18 for ; Thu, 20 Apr 2023 03:07:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232879AbjDTDH3 (ORCPT ); Wed, 19 Apr 2023 23:07:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233790AbjDTDGn (ORCPT ); Wed, 19 Apr 2023 23:06:43 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CD1749E0; Wed, 19 Apr 2023 20:06:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681959976; x=1713495976; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Vrqpja8Z1hSqrZRC7tQPIr/La29qW5DFqZCbyUZi4Kk=; b=GA2wWuKshoPOsjO2o1ZeEtriDk66nkCmLlQap2sYskLFmetyjGzP3jt7 Fhnschzkp29FjNBJp6s9Gq9lCUSXgSMcKsFUuuCrs33KCLIxhZrXhrhLF D3RtDtccHZlqoUPqoOncBhubnpeZMhwZWvBNNGLjO/Tc+ABEok8fYJqQe on6S2s+t9Og/ai1i2I7gtrPxqT494LQtZuD2xUai0AG1qr9ifRsqZ2k8W A8n4jxkJC6drodLRHuowBaCIRD/+iPDIy1txcSGqphFGFStfZw2Ix2Fzt WMKjCJyvfUA1mAQkwDM9ZMsM54b8l3wQjWTGX+hy8vMdEk7fHQrw4cRB0 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10685"; a="431896672" X-IronPort-AV: E=Sophos;i="5.99,211,1677571200"; d="scan'208";a="431896672" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 20:06:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10685"; a="760978836" X-IronPort-AV: E=Sophos;i="5.99,211,1677571200"; d="scan'208";a="760978836" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 19 Apr 2023 20:06:13 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1ppKcf-000fPU-0A; Thu, 20 Apr 2023 03:06:13 +0000 Date: Thu, 20 Apr 2023 11:05:54 +0800 From: kernel test robot To: Md Sadre Alam , mani@kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, quic_srichara@quicinc.com, quic_mdalam@quicinc.com Subject: Re: [PATCH V2] mtd: rawnand: qcom: Implement exec_op() Message-ID: <202304201013.6bradWxp-lkp@intel.com> References: <20230419093617.27134-1-quic_mdalam@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230419093617.27134-1-quic_mdalam@quicinc.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Md, kernel test robot noticed the following build warnings: [auto build test WARNING on mtd/nand/next] [also build test WARNING on linus/master v6.3-rc7 next-20230419] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Md-Sadre-Alam/mtd-rawnand-qcom-Implement-exec_op/20230419-173849 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next patch link: https://lore.kernel.org/r/20230419093617.27134-1-quic_mdalam%40quicinc.com patch subject: [PATCH V2] mtd: rawnand: qcom: Implement exec_op() config: s390-randconfig-r034-20230418 (https://download.01.org/0day-ci/archive/20230420/202304201013.6bradWxp-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/a2d1599a63e93bde90166287021663cfc13c91b2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Md-Sadre-Alam/mtd-rawnand-qcom-Implement-exec_op/20230419-173849 git checkout a2d1599a63e93bde90166287021663cfc13c91b2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/mtd/nand/raw/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304201013.6bradWxp-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/mtd/nand/raw/qcom_nandc.c:9: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from drivers/mtd/nand/raw/qcom_nandc.c:9: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from drivers/mtd/nand/raw/qcom_nandc.c:9: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ >> drivers/mtd/nand/raw/qcom_nandc.c:2617:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] default: ^ drivers/mtd/nand/raw/qcom_nandc.c:2617:2: note: insert 'break;' to avoid fall-through default: ^ break; 13 warnings generated. vim +2617 drivers/mtd/nand/raw/qcom_nandc.c 2587 2588 static int qcom_op_cmd_mapping(struct qcom_nand_controller *nandc, u8 cmd, 2589 struct qcom_op *q_op) 2590 { 2591 int ret = 0; 2592 2593 switch (cmd) { 2594 case NAND_CMD_RESET: 2595 ret = OP_RESET_DEVICE; 2596 break; 2597 case NAND_CMD_READID: 2598 ret = OP_FETCH_ID; 2599 break; 2600 case NAND_CMD_PARAM: 2601 if (nandc->props->qpic_v2) 2602 ret = OP_PAGE_READ_ONFI_READ; 2603 else 2604 ret = OP_PAGE_READ; 2605 break; 2606 case NAND_CMD_ERASE1: 2607 case NAND_CMD_ERASE2: 2608 ret = OP_BLOCK_ERASE; 2609 break; 2610 case NAND_CMD_STATUS: 2611 ret = OP_CHECK_STATUS; 2612 break; 2613 case NAND_CMD_PAGEPROG: 2614 ret = OP_PROGRAM_PAGE; 2615 q_op->flag = NAND_CMD_PAGEPROG; 2616 nandc->exec_opwrite = true; > 2617 default: 2618 break; 2619 } 2620 2621 return ret; 2622 } 2623 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests